export function parseTime(time, cFormat) {
  if (arguments.length === 0) {
    return null
  }
  const format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}'
  let date
  if (typeof time === 'object') {
    date = time
  } else {
    if ((typeof time === 'string') && (/^[0-9]+$/.test(time))) {
      time = parseInt(time)
    }
    if ((typeof time === 'number') && (time.toString().length === 10)) {
      time = time * 1000
    }
    date = new Date(time)
  }
  const formatObj = {
    y: date.getFullYear(),
    m: date.getMonth() + 1,
    d: date.getDate(),
    h: date.getHours(),
    i: date.getMinutes(),
    s: date.getSeconds(),
    a: date.getDay()
  }
  const time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
    let value = formatObj[key]
    // Note: getDay() returns 0 on Sunday
    if (key === 'a') { return ['日', '一', '二', '三', '四', '五', '六'][value] }
    if (result.length > 0 && value < 10) {
      value = '0' + value
    }
    return value || 0
  })
  return time_str
}

export function getStrByData(arr) {
  if (arr == null || arr == []) {
    return []
  }
  var str = []
  for (var i = 0; i < arr.length; i++) {
    str.push(arr[i].id)
  }
  return str
}

export function formatTime(time, option) {
  if (('' + time).length === 10) {
    time = parseInt(time) * 1000
  } else {
    time = +time
  }
  const d = new Date(time)
  const now = Date.now()

  const diff = (now - d) / 1000

  if (diff < 30) {
    return '刚刚'
  } else if (diff < 3600) {
    // less 1 hour
    return Math.ceil(diff / 60) + '分钟前'
  } else if (diff < 3600 * 24) {
    return Math.ceil(diff / 3600) + '小时前'
  } else if (diff < 3600 * 24 * 2) {
    return '1天前'
  }
  if (option) {
    return parseTime(time, option)
  } else {
    return (
      d.getMonth() +
      1 +
      '月' +
      d.getDate() +
      '日' +
      d.getHours() +
      '时' +
      d.getMinutes() +
      '分'
    )
  }
}

export function getQueryObject(url) {
  url = url == null ? window.location.href : url
  const search = url.substring(url.lastIndexOf('?') + 1)
  const obj = {}
  const reg = /([^?&=]+)=([^?&=]*)/g
  search.replace(reg, (rs, $1, $2) => {
    const name = decodeURIComponent($1)
    let val = decodeURIComponent($2)
    val = String(val)
    obj[name] = val
    return rs
  })
  return obj
}

export function byteLength(str) {
  // returns the byte length of an utf8 string
  let s = str.length
  for (var i = str.length - 1; i >= 0; i--) {
    const code = str.charCodeAt(i)
    if (code > 0x7f && code <= 0x7ff) s++
    else if (code > 0x7ff && code <= 0xffff) s += 2
    if (code >= 0xDC00 && code <= 0xDFFF) i--
  }
  return s
}

/**
 * @param {Array} actual
 * @returns {Array}
 */
export function cleanArray(actual) {
  const newArray = []
  for (let i = 0; i < actual.length; i++) {
    if (actual[i]) {
      newArray.push(actual[i])
    }
  }
  return newArray
}

/**
 * @param {Object} json
 * @returns {Array}
 */
export function param(json) {
  if (!json) return ''
  return cleanArray(
    Object.keys(json).map(key => {
      if (json[key] === undefined) return ''
      return encodeURIComponent(key) + '=' + encodeURIComponent(json[key])
    })
  ).join('&')
}

/**
 * @param {string} url
 * @returns {Object}
 */
export function param2Obj(url) {
  const search = url.split('?')[1]
  if (!search) {
    return {}
  }
  return JSON.parse(
    '{"' +
    decodeURIComponent(search)
      .replace(/"/g, '\\"')
      .replace(/&/g, '","')
      .replace(/=/g, '":"')
      .replace(/\+/g, ' ') +
    '"}'
  )
}

/**
 * @param {string} val
 * @returns {string}
 */
export function html2Text(val) {
  const div = document.createElement('div')
  div.innerHTML = val
  return div.textContent || div.innerText
}

export function objectMerge(target, source) {
  if (typeof target !== 'object') {
    target = {}
  }
  if (Array.isArray(source)) {
    return source.slice()
  }
  Object.keys(source).forEach(property => {
    const sourceProperty = source[property]
    if (typeof sourceProperty === 'object') {
      target[property] = objectMerge(target[property], sourceProperty)
    } else {
      target[property] = sourceProperty
    }
  })
  return target
}

/**
 * @param {HTMLElement} element
 * @param {string} className
 */
export function toggleClass(element, className) {
  if (!element || !className) {
    return
  }
  let classString = element.className
  const nameIndex = classString.indexOf(className)
  if (nameIndex === -1) {
    classString += '' + className
  } else {
    classString =
      classString.substr(0, nameIndex) +
      classString.substr(nameIndex + className.length)
  }
  element.className = classString
}

/**
 * @param {string} type
 * @returns {Date}
 */
export function getTime(type) {
  if (type === 'start') {
    return new Date().getTime() - 3600 * 1000 * 24 * 90
  } else {
    return new Date(new Date().toDateString())
  }
}

export function debounce(func, wait, immediate) {
  let timeout, args, context, timestamp, result

  const later = function () {
    // 据上一次触发时间间隔
    const last = +new Date() - timestamp

    // 上次被包装函数被调用时间间隔 last 小于设定时间间隔 wait
    if (last < wait && last > 0) {
      timeout = setTimeout(later, wait - last)
    } else {
      timeout = null
      // 如果设定为immediate===true，因为开始边界已经调用过了此处无需调用
      if (!immediate) {
        result = func.apply(context, args)
        if (!timeout) context = args = null
      }
    }
  }

  return function (...args) {
    context = this
    timestamp = +new Date()
    const callNow = immediate && !timeout
    // 如果延时不存在，重新设定延时
    if (!timeout) timeout = setTimeout(later, wait)
    if (callNow) {
      result = func.apply(context, args)
      context = args = null
    }

    return result
  }
}

export function deleteEmptyProp(arr) {
  var newArr = []
  arr.forEach(item => {
    var keys = Object.keys(item)
    if (keys.length > 0) {
      newArr.push(item)
    }
  })
  return newArr
}

export function deleteEmptyObj(arr) {
  var newArr = []
  arr.forEach(item => {
    if (item.summary || item.coaId) {
      newArr.push(item)
    }
  })
  return newArr
}

export function addNullObj(arr) {
  var newArr = [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}]
  for (var i = 0; i < arr.length; i++) {
    newArr.splice(i, 1, arr[i])
  }
  return newArr
}

export function initNullObj() {
  var newArr = [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}]
  const userInfo = JSON.parse(sessionStorage.userInfo)
  newArr.forEach(item => {
    if (userInfo.taxFilingCategoryCode == 1) {
      item.taxRate = userInfo.book.defaultTaxRate * 100
    } else {
      item.taxRate = 0
    }
  })
  return newArr
}

export function initNullArray() {
  var newArr = [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}]
  const userInfo = JSON.parse(sessionStorage.userInfo)
  newArr.forEach(item => {
    if (userInfo.book.taxType == 1) {
      item.taxRate = userInfo.book.defaultTaxRate * 100
    } else {
      item.taxRate = 0
    }
  })
  return newArr
}

export function addNullObj2(arr) {
  var newArr = [{}, {}, {}, {}, {}]
  for (var i = 0; i < arr.length; i++) {
    newArr.splice(i, 1, arr[i])
  }
  return newArr
}

export function deepClone(source) {
  if (!source && typeof source !== 'object') {
    throw new Error('error arguments', 'deepClone')
  }
  const targetObj = source.constructor === Array ? [] : {}
  Object.keys(source).forEach(keys => {
    if (source[keys] && typeof source[keys] === 'object') {
      targetObj[keys] = deepClone(source[keys])
    } else {
      targetObj[keys] = source[keys]
    }
  })
  return targetObj
}

export function uniqueArr(arr) {
  return Array.from(new Set(arr))
}

/**
 * @returns {string}
 */
export function createUniqueString() {
  const timestamp = +new Date() + ''
  const randomNum = parseInt((1 + Math.random()) * 65536) + ''
  return (+(randomNum + timestamp)).toString(32)
}

/**
 * Check if an element has a class
 * @param {HTMLElement} elm
 * @param {string} cls
 * @returns {boolean}
 */
export function hasClass(ele, cls) {
  return !!ele.className.match(new RegExp('(\\s|^)' + cls + '(\\s|$)'))
}

/**
 * Add class to element
 * @param {HTMLElement} elm
 * @param {string} cls
 */
export function addClass(ele, cls) {
  if (!hasClass(ele, cls)) ele.className += ' ' + cls
}

/**
 * Remove class from element
 * @param {HTMLElement} elm
 * @param {string} cls
 */
export function removeClass(ele, cls) {
  if (hasClass(ele, cls)) {
    const reg = new RegExp('(\\s|^)' + cls + '(\\s|$)')
    ele.className = ele.className.replace(reg, ' ')
  }
}

export function fetchRoles(arr) {
  var codes = []
  for (var i = 0; i < arr.length; i++) {
    codes.push(arr[i].menuCode)
  }
  return codes
}

export function getNowDate(type) {
  var d = new Date()
  var y = d.getFullYear()
  var m = d.getMonth() + 1
  var d = d.getDate()
  if (type === 1) {
    return y + '-' + (m < 10 ? '0' + m : m) + '-' + '01'
  } else {
    return y + '-' + (m < 10 ? '0' + m : m) + '-' + (d < 10 ? '0' + d : d)
  }
}

export function getNowMonth() {
  var d = new Date()
  var y = d.getFullYear()
  var m = d.getMonth() + 1
  return y + '-' + (m < 10 ? '0' + m : m)
}

export function getPrevMonth() {
  var d = new Date()
  var y = d.getFullYear()
  var m = d.getMonth()
  if (m === 0) {
    y = y - 1
    m = 12
  }
  return y + '-' + (m < 10 ? '0' + m : m)
}

export function getPrevSeason() {
  var d = new Date()
  var m = d.getMonth() >= 3 ? d.getMonth() : d.getMonth() + 9
  var s = ['1', '1', '1', '2', '2', '2', '3', '3', '3', '4', '4', '4']
  return s[m]
}

export function convertCurrency(money) {
  var money = Math.abs(money)
  var cnNums = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖']
  var cnIntRadice = ['', '拾', '佰', '仟']
  var cnIntUnits = ['', '万', '亿', '兆']
  var cnDecUnits = ['角', '分', '毫', '厘']
  var cnInteger = '整'
  var cnIntLast = '元'
  var maxNum = 999999999999999.9999
  var integerNum
  var decimalNum
  var chineseStr = ''
  var parts
  money = Number(money) / 100
  if (money == '') {
    return ''
  }
  money = parseFloat(money)
  if (money >= maxNum) {
    return ''
  }
  if (money == 0) {
    chineseStr = cnNums[0] + cnIntLast + cnInteger
    return chineseStr
  }
  money = money.toString()
  if (money.indexOf('.') == -1) {
    integerNum = money
    decimalNum = ''
  } else {
    parts = money.split('.')
    integerNum = parts[0]
    decimalNum = parts[1].substr(0, 4)
  }
  if (parseInt(integerNum, 10) > 0) {
    var zeroCount = 0
    var IntLen = integerNum.length
    for (var i = 0; i < IntLen; i++) {
      var n = integerNum.substr(i, 1)
      var p = IntLen - i - 1
      var q = p / 4
      var m = p % 4
      if (n == '0') {
        zeroCount++
      } else {
        if (zeroCount > 0) {
          chineseStr += cnNums[0]
        }
        zeroCount = 0
        chineseStr += cnNums[parseInt(n)] + cnIntRadice[m]
      }
      if (m == 0 && zeroCount < 4) {
        chineseStr += cnIntUnits[q]
      }
    }
    chineseStr += cnIntLast
  }
  if (decimalNum != '') {
    var decLen = decimalNum.length
    for (var i = 0; i < decLen; i++) {
      var n = decimalNum.substr(i, 1)
      if (n != '0') {
        chineseStr += cnNums[Number(n)] + cnDecUnits[i]
      }
    }
  }
  if (chineseStr == '') {
    chineseStr += cnNums[0] + cnIntLast + cnInteger
  } else if (decimalNum == '') {
    chineseStr += cnInteger
  }
  return chineseStr
}

export function toNumStr(arg) {
  if (arg == null) { return arg }
  arg = String(arg).replace(/,/g, '')
  if (isNaN(arg)) { arg = 0 }
  return arg
}

// input时触发
export function validateVal(numval) {
  var a = numval.replace(/[^\d.-]/g, '')
  var b = a.replace(/\.{2,}/g, '.')
  var c = b.replace('.', '$#$').replace(/\./g, '').replace('$#$', '.')
  var d = c.replace(/^(\-)*(\d+)\.(\d\d).*$/, '$1$2.$3')
  if (d.indexOf('.') < 0 && d != '') {
    if (d.substr(0, 1) == '0' && d.length == 2) {
      d = d.substr(1, d.length)
    }
  }
  if (d.indexOf('.') > 0 && d.length > 12) {
    d = d.substring(0, 11)
  }
  if (numval.indexOf('.') < 0) {
    d = d.substring(0, 9)
  }
  return d || ''
}

// blur时触发
export function showNumber1(value) {
  if (!value || value === '0' || value === '0.' || value === '0.0' || value === '0.00' || value === '00.00' || value === '.') {
    var value = ''
  } else {
    var value = (value * 100).toFixed(0)
    if (value >= 10 && value < 100) {
      var value = '0' + String(value)
    } else if (value > -100 && value <= -10) {
      var value = '0' + String(value)
    } else if (value > 0 && value < 10) {
      var value = '00' + String(value)
    } else if (value > -10 && value < 0) {
      var value = '00' + String(value)
    }
    if (value.indexOf('.') > 0 && value.indexOf('.') === value.length - 1) {
      value = value.substring(0, value.length - 1)
    }
  }
  return value
}

// fouces时触发
export function showNumber2(value) {
  return !value || value === '0' ? '' : value * 1 / 100
}

export function getIsAuxiliary(arr, id) {
  for (var i = 0; i < arr.length; i++) {
    if (arr[i].id === id) {
      return arr[i].auxiliary
    }
  }
  return '000000'
}

export function initArrayByLength(len) {
  const arr = []
  for (let i = 0; i < len; i++) {
    arr.push({})
  }
  return arr
}

/**
 * 构造树型结构数据
 * @param {*} data 数据源
 * @param {*} id id字段 默认 'id'
 * @param {*} parentId 父节点字段 默认 'parentId'
 * @param {*} children 孩子节点字段 默认 'children'
 */
export function handleTree(data, id, parentId, children) {
  const config = {
    id: id || 'id',
    parentId: parentId || 'parentId',
    childrenList: children || 'children'
  }

  var childrenListMap = {}
  var nodeIds = {}
  var tree = []

  for (const d of data) {
    const parentId = d[config.parentId]
    if (childrenListMap[parentId] == null) {
      childrenListMap[parentId] = []
    }
    nodeIds[d[config.id]] = d
    childrenListMap[parentId].push(d)
  }

  for (const d of data) {
    const parentId = d[config.parentId]
    if (nodeIds[parentId] == null) {
      tree.push(d)
    }
  }

  for (const t of tree) {
    adaptToChildrenList(t)
  }

  function adaptToChildrenList(o) {
    if (childrenListMap[o[config.id]] !== null) {
      o[config.childrenList] = childrenListMap[o[config.id]]
    }
    if (o[config.childrenList]) {
      for (const c of o[config.childrenList]) {
        adaptToChildrenList(c)
      }
    }
  }
  return tree
}
